CN113093383A - AR glasses - Google Patents
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- CN113093383A CN113093383A CN202110277725.5A CN202110277725A CN113093383A CN 113093383 A CN113093383 A CN 113093383A CN 202110277725 A CN202110277725 A CN 202110277725A CN 113093383 A CN113093383 A CN 113093383A
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- 239000011521 glass Substances 0.000 title claims abstract description 83
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 230000003287 optical effect Effects 0.000 claims abstract description 38
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003190 augmentative effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The embodiment of the invention relates to the technical field of optics, in particular to AR (augmented reality) glasses. The embodiment of the invention provides AR glasses, which comprise a glasses frame, a micro-projection device and at least one optical waveguide; the spectacle frame comprises spectacle legs and a spectacle frame, and the optical waveguide comprises a waveguide substrate, a coupling-in area and a coupling-out area which are arranged on the waveguide substrate; the waveguide substrate is embedded in the glasses frame, the coupling-in area is arranged in the left upper area, close to the glasses legs, of the waveguide substrate, and/or the coupling-in area is arranged in the right upper area, close to the glasses legs, of the waveguide substrate, and the micro-projection device is arranged on the glasses legs, so that the sight of a user is not shielded, and the size of AR glasses is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of optics, in particular to AR (augmented reality) glasses.
Background
AR is a technology that combines real and virtual image, video, 3D model applications, the goal of which is to fit and interact with the real world around the virtual world on the screen. Commercial AR glasses are provided by companies such as Google and Microsoft, and the development and application of AR technology are led.
Optical waveguide-based AR glasses are one of the most promising AR glasses for mass application at present. The light waveguide structure is small, the weight is light, and the optical function is strong, so that the light AR glasses are core devices for realizing the light AR glasses. Currently, optical waveguides based on embossed gratings are the dominant choice for AR eyewear optical waveguides. The current scheme paths of the embossed grating waveguide mainly include a waveguide scheme based on a one-dimensional grating and a waveguide scheme based on a two-dimensional grating. In the scheme based on the one-dimensional grating waveguide, an expansion area is formed, the expansion area occupies a large part of the area, and when the field of view is increased, the expansion area is also increased sharply, so that the one-dimensional grating waveguide scheme is limited by the field of view. The two-dimensional grating waveguide is divided into a coupling-in area and a coupling-out area, and the coupling-out area has the functions of expansion and coupling-out, so that the eye movement range is greatly increased, and a larger field of view can be realized.
However, referring to fig. 1, in the conventional AR glasses, the coupling-in area a is usually disposed right above the coupling-out area B, so that the projection light machine is also located right above the lens, which not only blocks the view above the front of the user, but also is not beneficial to reducing the overall volume of the AR glasses.
Disclosure of Invention
The technical problem mainly solved by the embodiment of the invention is to provide AR glasses, which can reduce the whole volume of the AR glasses and do not shield the sight above the front part of a user.
In order to solve the above technical problem, one technical solution adopted by the embodiment of the present invention is: provided is AR glasses including: the glasses frame comprises glasses legs and a glasses frame; the micro-projection device is arranged on the glasses legs; at least one optical waveguide comprising a waveguide substrate, a coupling-in region and a coupling-out region provided to the waveguide substrate; the waveguide substrate is embedded in the mirror frame; the coupling-in area is arranged in an upper left area of the waveguide substrate close to the temple, and/or the coupling-in area is arranged in an upper right area of the waveguide substrate close to the temple.
In some embodiments, the coupling-in region is provided with a one-dimensional grating.
In some embodiments, the one-dimensional grating is one of a straight grating, a blazed grating, a slanted grating, a volume holographic grating, a super-surface structure, or a resonant grating structure.
In some embodiments, a grating line direction of the one-dimensional grating of the coupling-in region is perpendicular to a principal ray, and the principal ray is a connection line between a central region of the coupling-in region and a central region of the coupling-out region.
In some embodiments, the outcoupling region is provided with at least one period of a two-dimensional grating.
In some embodiments, the long-side period direction of the two-dimensional grating of the coupling-out region is parallel to the principal ray.
In some embodiments, the coupling-out area has a ratio of a long side dimension to a short side dimension in each of the periods of
In some embodiments, the at least one optical waveguide comprises a first optical waveguide and a second optical waveguide; the first optical waveguide comprises a first waveguide substrate, a first coupling-in area and a first coupling-out area which are arranged on the first waveguide substrate; the second optical waveguide comprises a second waveguide substrate, a second coupling-in region and a second coupling-out region which are arranged on the second waveguide substrate, and the first waveguide substrate and the second waveguide substrate are embedded in the mirror frame; the first coupling-in region is arranged in an upper left region of the first waveguide substrate close to the temple; the second incoupling region is disposed in an upper right region of the second waveguide substrate near the temple.
The beneficial effects of the embodiment of the invention are as follows: in distinction from the state of the art, embodiments of the present invention provide AR glasses comprising a frame, a micro-projection device, at least one optical waveguide; the spectacle frame comprises spectacle legs and a spectacle frame, and the optical waveguide comprises a waveguide substrate, a coupling-in area and a coupling-out area which are arranged on the waveguide substrate; the waveguide substrate is embedded in the glasses frame, the coupling-in area is arranged in the left upper area, close to the glasses legs, of the waveguide substrate, and/or the coupling-in area is arranged in the right upper area, close to the glasses legs, of the waveguide substrate, and the micro-projection device is arranged on the glasses legs, so that the sight of a user is not shielded, and the size of AR glasses is reduced.
Drawings
One or more embodiments are illustrated by the accompanying figures in the drawings that correspond thereto and are not to be construed as limiting the embodiments, wherein elements/modules and steps having the same reference numerals are represented by like elements/modules and steps, unless otherwise specified, and the drawings are not to scale.
Fig. 1 is a schematic structural diagram of AR glasses provided in the prior art;
fig. 2 is a schematic structural diagram of AR glasses according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another AR glasses provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another AR glasses provided in the embodiment of the present invention;
FIG. 5 is a schematic diagram of the structure of the first optical waveguide of FIG. 4;
FIG. 6 is a schematic diagram of the structure of the second optical waveguide of FIG. 4;
FIG. 7 is a schematic view of another configuration of the first optical waveguide of FIG. 4;
FIG. 8 is a schematic diagram of the structure of the second optical waveguide of FIG. 4;
FIG. 9 is a schematic structural diagram of the second coupling-out region of FIG. 7 in a period;
fig. 10 is a simulation diagram of fig. 8.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
In order to facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and specific embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It should be noted that, if not conflicted, the various features of the embodiments of the invention may be combined with each other within the scope of protection of the present application. In addition, although the functional blocks are divided in the device diagram, in some cases, the blocks may be divided differently from those in the device. Further, the terms "first," "second," and the like, as used herein, do not limit the data and the execution order, but merely distinguish the same items or similar items having substantially the same functions and actions.
Referring to fig. 2, fig. 2 is an AR glasses according to an embodiment of the present invention, including: a frame, a micro-projection device, at least one optical waveguide; wherein, the glasses frame comprises a glasses leg 10 and a glasses frame 13; the micro-projection device is arranged on the glasses leg 10; the optical waveguide comprises a waveguide substrate 3, a coupling-in region 1 and a coupling-out region 2 arranged on the waveguide substrate 3, the waveguide substrate being embedded in a mirror frame 13.
Specifically, the AR glasses provided by the present invention may be monocular glasses or binocular glasses.
In some of these embodiments, the AR glasses are monocular glasses, see fig. 2, the incoupling zone 1 being arranged in the upper left region of the waveguide substrate 3 close to the temple 10. It should be noted that the up, down, left and right directions are defined herein with respect to the viewing angle of the user wearing the AR glasses, and will not be described in detail below.
In some of these embodiments, the AR glasses are monocular glasses, see fig. 3, the incoupling zone 1 being arranged in the upper right region of the waveguide substrate 3 close to the temple 10.
In some of these embodiments, the AR glasses are binocular glasses, the at least one optical waveguide comprising a first optical waveguide 20 and a second optical waveguide 30; referring to fig. 5, the first optical waveguide 20 includes a first waveguide substrate 23, a first coupling-in region 21 and a first coupling-out region 22 disposed on the first waveguide substrate 23, and referring to fig. 4 and 5, the first waveguide substrate 23 is embedded in the frame 13, and the first coupling-in region 21 is disposed in an upper left region of the first waveguide substrate 23 close to the temple 10; referring to fig. 4 and 6, the second optical waveguide 30 includes a second waveguide substrate 33, a second coupling-in region 31 and a second coupling-out region 32 disposed on the second waveguide substrate 33, the second waveguide substrate 33 is embedded in the frame 13, and at this time, the second coupling-in region 31 is disposed in the upper right region of the second waveguide substrate 33 close to the temple 10.
In the AR glasses provided by the embodiments of the present invention, by disposing the micro-projection device in combination with the temple of the AR glasses, the overall volume of the AR glasses can be reduced compared to disposing the micro-projection device above the lens of the AR glasses, and at the same time, since the human eye is insensitive to four directions of upper left, upper right, lower left, and lower right with respect to the central region, by disposing the incoupling region at a position of the waveguide substrate near the corner of the temple, the obstruction of the line of sight can be further reduced.
The AR glasses provided by the present invention may be monocular glasses or binocular glasses, and the structure of the AR glasses of the present invention will be described in detail below by taking the binocular glasses as an example, and is not limited in actual use.
Referring to fig. 4 to 6 in combination, the temple 10 includes a first temple 11 and a second temple 12, the first temple 11 is connected to an upper left point of the frame 13, the second temple 12 is connected to an upper right point of the frame 13, solid lines in fig. 5 to 6 indicate a transmission direction of an optical path, in this case, micro-projection devices are disposed on both the first temple 11 and the second temple 12, the first incoupling area 21 is disposed in an upper left area of the first waveguide substrate 23 close to the first temple 11, and the second incoupling area 31 is disposed in an upper right area of the second waveguide substrate 33 close to the second temple 12.
It will be understood that in some of the embodiments, the first temple 11 is connected to a lower left point of the frame 13, and the second temple 12 is connected to a lower right point of the frame 13, and correspondingly, the first coupling-in area is arranged in a lower left area of the first waveguide substrate close to the first temple, and the second coupling-in area is arranged in a lower right area of the second waveguide substrate close to the second temple, and shall also fall within the protection scope of the present invention. Meanwhile, since the AR glasses are placed at different positions, the positions in the up, down, left and right directions are changed, and it should be noted that it is within the scope of the present invention as long as the first coupling-in region and the second coupling-in region are disposed near the corner regions of the temples.
In the AR glasses provided by the embodiments of the present invention, the micro-projection device is disposed in combination with the temple of the AR glasses, and compared with the micro-projection device disposed above the lens of the AR glasses, the overall volume of the AR glasses can be reduced, and at the same time, since the human eye is insensitive to four directions, i.e., the upper left, the upper right, the lower left, and the lower right, with respect to the central area, by disposing the first incoupling area and the second incoupling area at the corner positions of the waveguide substrate near the temple, respectively, the blocking of the line of sight can be further reduced.
The first coupling-in area 21 and the second coupling-in area 31 are used for coupling light with image information emitted by the micro-projection device into the waveguide substrate, and the first coupling-out area 22 and the second coupling-out area 32 are used for coupling out the light with image information to human eyes.
In some embodiments, referring to fig. 5 and 6, the first coupling-in region 21 and the second coupling-in region 31 are both provided with one-dimensional gratings. Specifically, the one-dimensional grating may be a straight grating, a blazed grating, a slanted grating, a volume holographic grating, a super-surface structure, or a resonant grating structure. In practical applications, the structure of the one-dimensional grating may be set according to actual needs, and is not limited to the definition in this embodiment.
In some embodiments, referring to fig. 7, a grating line direction of the one-dimensional grating of the first coupling-in region 21 is perpendicular to a first principal ray L, where the first principal ray L is a connection line between a central region of the first coupling-in region 21 and a central region of the first coupling-out region 22; similarly, referring to fig. 8, the grating line direction of the one-dimensional grating of the second coupling-in region 31 is perpendicular to the second principal ray H, which is a connection line between the central region of the second coupling-in region 31 and the central region of the second coupling-out region 32. In practical application, the included angle between the first principal ray L and the horizontal direction and the included angle between the second principal ray H and the horizontal direction can be adjusted according to actual needs, and are not limited herein.
In general, the first principal ray L is a connection line between the central position of the first coupling-in area 21 and the central position of the first coupling-out area 22, but in practical applications, the center point of the first principal ray L in the first coupling-in area 21 may have a certain deviation from the central position of the first coupling-in area 21, and the center point of the first coupling-out area 22 may have a certain deviation from the central position of the first coupling-out area 22, and the scope of the present invention is also covered by the embodiments.
Similarly, the second principal ray H is a connection line between the center position of the second coupling-in area 31 and the center position of the second coupling-out area 32, but in practical applications, the center point of the second principal ray H in the second coupling-in area 31 may deviate from the center position of the second coupling-in area 31, and the center point of the second coupling-out area 32 may deviate from the center position of the second coupling-out area 32.
In some of these embodiments, at least one period of two-dimensional grating is provided in each of the first and second outcoupling regions 22, 32. Specifically, referring to fig. 9, the ratio of the long side dimension D to the short side dimension D of the first coupling-out region 22 in each period is √ 3, as shown in the figure, after the light is diffracted by the grating of the first coupling-out region 22, a plurality of diffraction orders are generated and transmitted to a plurality of directions in the first waveguide substrate, respectively, a part of the light is diffracted and coupled out to human eyes, and a part of the light is continuously transmitted by total reflection in the first waveguide substrate and is continuously diffracted into a plurality of orders by the two-dimensional grating of the first coupling-out region, and the process is repeated, so that the light can be coupled out in the whole working region of the first coupling-out grating, and the human eyes can see images at corresponding positions. Likewise, the ratio of the long side dimension to the short side dimension of the two-dimensional grating of the second coupling-out region 32 in each period can also beIn practical applications, the first coupling-out area 22 and the second coupling-out area 32 have a long side dimension, a short side dimension and two in each periodThe ratio can be set according to actual needs, and is not limited by the limitations of the present embodiment.
In order to facilitate the light coupled into the waveguide substrate by the coupling-out region to be coupled out to the human eye as much as possible, in some embodiments, please refer to fig. 7, a long-side period direction of the two-dimensional grating of the first coupling-out region 22 is parallel to the first chief ray, and the long-side period direction is a direction of a straight line where a long side of the two-dimensional grating is located in one period, and similarly, referring to fig. 8, a long-side period direction of the two-dimensional grating of the second coupling-out region 32 may also be parallel to the second chief ray.
In some embodiments, referring to fig. 5 and 6, the first coupling-in area 21 and the second coupling-out area 31 are both circular, the first coupling-out area 22 and the second coupling-out area 32 are both truncated rectangles, each truncated rectangle has a truncated corner, the first coupling-in area 21 is disposed at the truncated corner of the first coupling-out area 22, and the second coupling-in area 31 is disposed at the truncated corner of the second coupling-out area 32. In practical applications, the first coupling-in area 21, the second coupling-in area 31, the first coupling-out area 22, and the second coupling-out area 32 may be other polygons or irregular shapes, and the definition in this embodiment is not limited herein.
The optical path simulation of the second optical waveguide 30 used in the AR glasses provided by the present invention is performed in VirtualLab software, that is, the structure of the second optical waveguide 30 shown in fig. 8 is simulated, wherein the second coupling-in area 31 uses a one-dimensional grating structure and presents a circular shape, the second coupling-out area 32 uses a two-dimensional grating structure and presents a rectangular shape with a missing corner, and the second coupling-in area 31 is placed at the missing corner of the second coupling-out area 33; the ratio of the long side dimension to the short side dimension in each period of the second coupling-out region 32 isAnd a hollow prism grating structure is adopted in each period, please refer to fig. 8, that is, a complete hollow prism grating is contained in the central area of each period, and a quarter of hollow prism gratings are distributed at four corners of each period, please refer to fig. 10, fig. 10 is a graph for the light waveAs can be seen from fig. 10, the one-dimensional grating in the coupling-in region can couple light into the optical waveguide, and propagate to the coupling-out region by total reflection, and the two-dimensional grating structure expands and couples out in the coupling-out region, and finally, light can be coupled out in the working range of the entire coupling-out region, which is feasible. In practical applications, the grating structures in the first coupling-out region 22 and the second coupling-out region 32 can be configured according to practical requirements, for example, a cylindrical grating structure, a hollow cylindrical grating structure, or any other suitable grating structure can be adopted, and the limitation in this embodiment is not required.
The embodiment of the invention provides AR glasses, which comprise a glasses frame, a micro-projection device and at least one optical waveguide; the spectacle frame comprises spectacle legs and a spectacle frame, and the optical waveguide comprises a waveguide substrate, a coupling-in area and a coupling-out area which are arranged on the waveguide substrate; the waveguide substrate is embedded in the glasses frame, the coupling-in area is arranged in the left upper area, close to the glasses legs, of the waveguide substrate, and/or the coupling-in area is arranged in the right upper area, close to the glasses legs, of the waveguide substrate, and the micro-projection device is arranged on the glasses legs, so that the sight of a user is not shielded, and the size of AR glasses is reduced.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. AR eyewear, comprising:
the glasses frame comprises glasses legs and a glasses frame;
the micro-projection device is arranged on the glasses legs;
at least one optical waveguide comprising a waveguide substrate, a coupling-in region and a coupling-out region provided to the waveguide substrate;
the waveguide substrate is embedded in the mirror frame;
the coupling-in area is arranged in an upper left area of the waveguide substrate close to the temple, and/or the coupling-in area is arranged in an upper right area of the waveguide substrate close to the temple.
2. The AR glasses according to claim 1, wherein the coupling-in area is provided with a one-dimensional grating.
3. The AR glasses according to claim 2, wherein the one-dimensional grating is one of a straight grating, a blazed grating, a slanted grating, a volume holographic grating, a super-surface structure, or a resonant grating structure.
4. The AR glasses according to claim 3, wherein the grating lines of the one-dimensional gratings of the coupling-in region are perpendicular to a principal ray, and the principal ray is a connection line between the central region of the coupling-in region and the central region of the coupling-out region.
5. The AR glasses according to claim 4, wherein the out-coupling region is provided with at least one period of a two-dimensional grating.
6. The AR glasses according to claim 5, wherein a long side period direction of the two-dimensional grating of the coupling-out region is parallel to the principal ray.
8. The AR glasses according to claim 7, wherein the at least one optical waveguide comprises a first optical waveguide and a second optical waveguide;
the first optical waveguide comprises a first waveguide substrate, a first coupling-in area and a first coupling-out area which are arranged on the first waveguide substrate;
the second optical waveguide comprises a second waveguide substrate, a second coupling-in region and a second coupling-out region which are arranged on the second waveguide substrate, and the first waveguide substrate and the second waveguide substrate are embedded in the mirror frame;
the first coupling-in region is arranged in an upper left region of the first waveguide substrate close to the temple;
the second incoupling region is disposed in an upper right region of the second waveguide substrate near the temple.
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CN202110277725.5A CN113093383A (en) | 2021-03-15 | 2021-03-15 | AR glasses |
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CN202110277725.5A CN113093383A (en) | 2021-03-15 | 2021-03-15 | AR glasses |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023151670A1 (en) * | 2022-02-14 | 2023-08-17 | 珠海莫界科技有限公司 | Diffractive optical waveguide and ar glasses |
WO2023160159A1 (en) * | 2022-02-28 | 2023-08-31 | 荣耀终端有限公司 | Optical waveguide and near-eye display device |
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CN110716276A (en) * | 2019-10-21 | 2020-01-21 | 杭州光粒科技有限公司 | Optical waveguide lens, manufacturing method thereof and AR glasses |
CN210720885U (en) * | 2019-11-18 | 2020-06-09 | 苏州苏大维格科技集团股份有限公司 | Apparatus for augmented reality display and system for implementing augmented reality display |
US20200319461A1 (en) * | 2017-10-06 | 2020-10-08 | Vuzix Corporation | Multi-channel waveguide with reduced crosstalk |
CN112424671A (en) * | 2018-07-13 | 2021-02-26 | 奇跃公司 | System and method for displaying binocular distortion compensation |
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2021
- 2021-03-15 CN CN202110277725.5A patent/CN113093383A/en active Pending
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US20200319461A1 (en) * | 2017-10-06 | 2020-10-08 | Vuzix Corporation | Multi-channel waveguide with reduced crosstalk |
CN112424671A (en) * | 2018-07-13 | 2021-02-26 | 奇跃公司 | System and method for displaying binocular distortion compensation |
CN110716276A (en) * | 2019-10-21 | 2020-01-21 | 杭州光粒科技有限公司 | Optical waveguide lens, manufacturing method thereof and AR glasses |
CN210720885U (en) * | 2019-11-18 | 2020-06-09 | 苏州苏大维格科技集团股份有限公司 | Apparatus for augmented reality display and system for implementing augmented reality display |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2023151670A1 (en) * | 2022-02-14 | 2023-08-17 | 珠海莫界科技有限公司 | Diffractive optical waveguide and ar glasses |
WO2023160159A1 (en) * | 2022-02-28 | 2023-08-31 | 荣耀终端有限公司 | Optical waveguide and near-eye display device |
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